Model comparison

Gemma 2B vs GPT-5.6 Terra

GPT-5.6 Terra is the stronger model overall, scoring 59.2 to 29.6 on the Noometry Index.

Last verified . 12 shared benchmarks.

Gemma 2B Google

29.6

Rank #307 Confirmed

GPT-5.6 Terra OpenAI

59.2

Rank #17 Confirmed

Summary

  • They share 12 benchmarks with published results for both. Gemma 2B scores higher in 0 categories and GPT-5.6 Terra in 7 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.6 Terra leads 81.6 to 30.0.
  • Gemma 2B has downloadable open weights; the other is API-only.

Side by side

Gemma 2B and GPT-5.6 Terra specifications
Gemma 2BGPT-5.6 Terra
ProviderGoogleOpenAI
Noometry Index29.659.2
Released2024-02-212026-07-09
WeightsOpenProprietary
Context window—1.05M
Max output—128K
Input $ / M tokens—$2
Output $ / M tokens—$12
Results tracked2352

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding GPT-5.6 Terra leads

Gemma 2B: 29.4 (#305), GPT-5.6 Terra: 57.7 (#19)

Coding benchmarks
BenchmarkGemma 2BGPT-5.6 Terra
LMArena Coding10101484
DeepSWE—69.6%
FrontierCode—41.3%
CursorBench—41.3%
LMArena WebDev—1522
SciCode—55%
WeirdML—78.3%
ALE-Bench—1,951
HumanEval+20.7%—
MBPP+34.1%—

Agentic & Tool Use Not comparable

Gemma 2B: —, GPT-5.6 Terra: 40.1 (#25)

Agentic & Tool Use benchmarks
BenchmarkGemma 2BGPT-5.6 Terra
APEX-Agents—58.2%
BALROG—53.2%
GDP.pdf—24.7%
Vending-Bench 2—7,343

Reasoning GPT-5.6 Terra leads

Gemma 2B: 18.8 (#275), GPT-5.6 Terra: 60.7 (#21)

Reasoning benchmarks
BenchmarkGemma 2BGPT-5.6 Terra
LMArena Hard Prompts9891468
Epoch Capabilities Index94.2159.62
ARC-AGI-2—83.9%
SimpleBench—48.9%
Kagi LLM Benchmark—51.3%
NYT Connections (extended)—78.4%
ARC-AGI-1—96.5%
CritPt—30%
Chess Puzzles—54%
Mystery Game Puzzles—35%
DTBench—93.3%
LMCA—55%
Surface Evolver Bench—83.8%
BIG-Bench Hard35.2%—
HellaSwag71.4%—
PIQA77.3%—
WinoGrande65.4%—

Math GPT-5.6 Terra leads

Gemma 2B: 30.0 (#239), GPT-5.6 Terra: 81.6 (#12)

Math benchmarks
BenchmarkGemma 2BGPT-5.6 Terra
LMArena Math10091466
FrontierMath (Tiers 1-3)—86%
FrontierMath Tier 4—70.7%
OTIS Mock AIME 2024-2025—99.7%
ProofBench—74%
GSM8K17.7%—

Knowledge Not comparable

Gemma 2B: —, GPT-5.6 Terra: 61.2 (#30)

Knowledge benchmarks
BenchmarkGemma 2BGPT-5.6 Terra
GPQA Diamond—93.3%
SimpleQA Verified—43.2%
LMArena Expert—1492
ARC (AI2) Challenge42.1%—
BoolQ69.4%—
MMLU42.3%—
TriviaQA53.2%—

Multimodal Not comparable

Gemma 2B: —, GPT-5.6 Terra: 47.3 (#11)

Multimodal benchmarks
BenchmarkGemma 2BGPT-5.6 Terra
LMArena Vision—1271
Blueprint-Bench 2—30.8%
Furniture Assembly—54.2%
LMArena Document—1472

Multilingual GPT-5.6 Terra leads

Gemma 2B: 23.0 (#294), GPT-5.6 Terra: 54.4 (#44)

Multilingual benchmarks
BenchmarkGemma 2BGPT-5.6 Terra
LMArena Non-English9581439
LMArena Chinese9861513
LMArena Russian9371450
LMArena French—1471
LMArena German—1460
LMArena Japanese—1457
LMArena Korean—1425
LMArena Spanish—1448

Instruction Following GPT-5.6 Terra leads

Gemma 2B: 48.5 (#302), GPT-5.6 Terra: 76.4 (#40)

Instruction Following benchmarks
BenchmarkGemma 2BGPT-5.6 Terra
LMArena Instruction Following9701454

Long Context GPT-5.6 Terra leads

Gemma 2B: 29.9 (#291), GPT-5.6 Terra: 44.4 (#68)

Long Context benchmarks
BenchmarkGemma 2BGPT-5.6 Terra
LMArena Longer Query9811451

Writing & Preference GPT-5.6 Terra leads

Gemma 2B: 24.0 (#308), GPT-5.6 Terra: 70.2 (#23)

Writing & Preference benchmarks
BenchmarkGemma 2BGPT-5.6 Terra
LMArena Text10021447
LMArena Creative Writing9871410
LMArena Multi-Turn9451449
EQ-Bench Creative Writing—1855
EQ-Bench 4—1234

Frequently asked questions

Is Gemma 2B better than GPT-5.6 Terra?

GPT-5.6 Terra is the stronger model overall, scoring 59.2 to 29.6 on the Noometry Index.

Is Gemma 2B or GPT-5.6 Terra better for coding?

GPT-5.6 Terra scores higher on coding benchmarks: 57.7 versus 29.4 in the Noometry coding category.

How many benchmarks do Gemma 2B and GPT-5.6 Terra share?

12 benchmarks have published results for both models. Gemma 2B has 23 scored results on Noometry and GPT-5.6 Terra has 52.

Related comparisons

Go deeper